/**
 * @name: header.css
 * @description: 头部样式表
 * @author: 干将
 * @update: 2015-05-25 0:0:00;
 */
 .header{
	position: relative;
	width: 100%;
}
/* 导航部分 */
.nav{
	position: absolute;
	z-index: 2;
	width:100%;
}
.wrap{
	padding:40px 40px 0;
}
.nav ul li{
	position: relative;
	float:left;
}
.nav ul li + li{
	margin-left:30px;
}
.nav ul li.active:after{
	content: '';
	position: absolute;
	left:0;
	right:0;
	bottom:-10px;
	margin:0 auto;
	width:80%;
	height: 0;
	border-top:1px solid #fff;
}
.nav ul li a{
	font-size:18px;
}
/* banner图片部分 */
.banner img{
	width:100%;
	height: 100%;
}